How maint is calculated,when stay is granted by session cour

Person has appealed wrong interim maint order of MM court in session court. Session court granted stay on execution of MM court order.

After one year session court dismissed the appeal, Person has challenged both the wrong orders in HC.

HC has not granted any stay as of now.

Now if opponent is filing for execution, how the maintenance  amount will be calculated.

A. Date of dismissal of the Session court order.

B. Date of wrong order passed by MM court .